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 DeWALT D55140 1 Gallon 135 PSI Heavy Duty Air Tool Trim Compressor  US $86.00
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 Imperial Heavy Duty Commercial Freezer US $700.00
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 Xtress Heavy Duty Boots new with box US $99.00
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 Amber Heavy Duty Glass Footed Glasses Lot of 6 US $10.00
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 RIDGID PIPE CUTTER 1 2 HEAVY DUTY US $5.50 |
 Durashield Heavy Duty Trailerable Pontoon Boat Cover 25 28 Free Shipping 2X US $139.99
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 PIN Lady Biker Silver Heavy Duty Pin with Black Enamel Large New Style US $2.91
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 PIN JD Biker Girls Silver Heavy Duty Pin Large New Style US $2.91
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 Heavy duty straight cymbal stand US $29.79
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 36 inch Heavy Duty plasic cable zip tie US $6.00
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 NEW Pro Tech 35 Heavy Duty Tactical Rifle Gun Case US $39.95
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 HEAVY DUTY DUAL TWIN JETSKI PWC GALVANIZED BOAT TRAILER w NEW PARTS jet ski US $950.00 |
 Rubberized Snap On Case Heavy Duty Holster Combo for BlackBerry Curve 8520 853 US $6.99
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 10 HP Rotary Phase Converter CNC Heavy Duty US $835.00
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 3 HP Rotary Phase Converter Heavy Duty TEFC US $299.00
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 PERMA NYL FLAGS AMERICAN 4x6 MIA 3x5 QUALITY HEAVY DUTY 2 US $63.00
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 Heavy duty coat hanger black plastic 44 pieces US $49.99
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 Heavy duty coat hanger black plastic 70 pieces US $69.99
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 TIE DOWN STRAPS HEAVY DUTY NEW US $5.00
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 fr Samsung Galaxy S II T989 HEAVY DUTY METAL CLIP PHONE COVER CARRY CASE US $6.99
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 HEAVY DUTY RED OAK 6 GUN WOOD GUN RACK HAND CRAFTED W STORAGE SHELF US $74.00
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 GRAY 19 FT 19 FOOT HEAVY DUTY FISH SKI RUNABOUT BOAT COVER US $80.00
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 10 Linear Actuator Heavy Duty 12V Hood Door Trunk US $64.95
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 12 Linear Actuator Heavy Duty 12V Hood Door Trunk US $69.95
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 4 Linear Actuator Heavy Duty Hood Trunk Door Cover US $64.95
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 6 Linear Actuator Heavy Duty 12V Hood Door Cover Trunk US $64.95
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 8 Linear Actuator Heavy Duty 12V Hood Door Cover Trunk US $64.95
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 HEAVY DUTY FISH SKI RUNABOUT BOAT COVER 20 22 GREEN US $90.00
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What is the difference between a heavy duty 427, and a racing 427?
I have a heavy duty Chevy 427, and I just wondered what the difference is between the heavy one (like those found in the commercial trucks) and racing ones. I know the heavy one has higher torque at lower rpm, but why? Also, would it be worth it to put it in a "rat rod"? Any insight into this would be helpful. Please only answer if you have good constructive things to say. Please don't waste my time, as well as the time of others. Thanks for looking.
-Jason
The heavy duty ( truck block ) ones have a higher block deck height ( where the head bolts too ) and this allows them to use a longer connecting rod to get an increase in torque.
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